← The evidence ledger
Evidence row 2205071
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://material.halowerk.com/parcel-bundling
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 70e93483a89a1387305cc4a8bc5ba523dedd9d6ab08939bd8a12229848f11018
- Leaf
- 0x797a836d592d619cab85806ff12d0055ba9b3c49bb5d1ca572584a896bbec7bc
What was observed
{
"endpoints": [
[
"x402",
"https://material.halowerk.com/parcel-bundling"
]
],
"name": "material.halowerk.com/parcel-bundling",
"owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
"raw": {
"accepts": [
{
"amount": "3000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"currency": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"asset": "USDC",
"assetTransferMethod": "eip3009",
"eip712Domain": {
"chainId": 8453,
"name": "USD Coin",
"verifyingContract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"version": "2"
},
"name": "USD Coin",
"network_name": "Base Mainnet",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
"recipient": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
"scheme": "exact"
}
],
"description": "Packs items into parcels by descending weight, first fit, within a maximum parcel weight and an optional maximum girth, prices each parcel with the cheapest matching bracket of the supplied rate table and compares the total against single shipment. The rate table is caller data: no carrier tariff is stored or redistributed. First fit is a heuristic, not a proven optimum.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"items": [
{
"length_cm": 0.1,
"name": "Beispiel",
"weight_kg": 0.001
}
],
"rates": [
{
"label": "Beispiel",
"max_weight_kg": 0.001,
"price_eur": 0
}
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"dimensions_complete": false,
"item_count": 1,
"max_parcel_weight_kg_used": 0.001,
"method": "first fit decreasing, cheapest matching ",
"recommendation": "no_difference",
"saving_eur": 0,
"saving_percent": 0,
"total_weight_kg": 0
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"items": {
"description": "Items to ship. Girth limits apply only when every item carries all three dimensions.",
"items": {
"additionalProperties": false,
"properties": {
"height_cm": {
"maximum": 500,
"minimum": 0.1,
"type": "number"
},
"length_cm": {
"maximum": 500,
"minimum": 0.1,
"type": "number"
},
"name": {
"type": "string"
},
"quantity": {
"default": 1,
"maximum": 500,
"minimum": 1,
"type": "integer"
},
"weight_kg": {
"maximum": 1000,
"minimum": 0.001,
"type": "number"
},
"width_cm": {
"maximum": 500,
"minimum": 0.1,
"type": "number"
}
},
"required": [
"weight_kg"
],
"type": "object"
},
"maxItems": 200,
"minItems": 1,
"type": "array"
},
"max_parcel_weight_kg": {
"description": "Limit per parcel; defaults to the heaviest bracket.",
"maximum": 1000,
"minimum": 0.1,
"type": "number"
},
"packaging_cost_eur": {
"default": 0,
"description": "Packaging cost per parcel.",
"maximum": 10000,
"minimum": 0,
"type": "number"
},
"rates": {
"description": "Own rate brackets; the cheapest fitting bracket wins.",
"items": {
"additionalProperties": false,
"properties": {
"label": {
"type": "string"
},
"max_girth_cm": {
"maximum": 1000,
"minimum": 1,
"type": "number"
},
"max_weight_kg": {
"maximum": 1000,
"minimum": 0.001,
"type": "number"
},
"price_eur": {
"maximum": 100000,
"minimum": 0,
"type": "number"
}
},
"required": [
"max_weight_kg",
"price_eur"
],
"type": "object"
},
"maxItems": 40,
"minItems": 1,
"type": "array"
}
},
"required": [
"items",
"rates"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-02T14:51:22.323Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-02T14:51:21.913Z"
},
"resource": "https://material.halowerk.com/parcel-bundling",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Packs items into parcels by descending weight, first fit, within a maximum parcel weight and an optional maximum girth, prices each parcel with the cheapest matching bracket of the supplied rate table and compares the total against single shipment. The rate table is caller data: no carrier tariff is stored or redistributed. First fit is a heuristic, not a proven optimum."
}What the leaf hashes
{"body":"70e93483a89a1387305cc4a8bc5ba523dedd9d6ab08939bd8a12229848f11018","id":2205071,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646944762979,"prev":null,"subject":"x402_bazaar:https://material.halowerk.com/parcel-bundling","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).
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- 0x382bc1b0474727ef31d4ba72b9b125776b3cbbee2eeecaf0e14cf1ccb802332f
- 0xa9d228d03ac293306f5f3bc50f9f90dec9940a97abb54252ead9ac670534bd78
- 0xf390f604e99ec591d8aab66b10eca4c70c66c3fd2324d1a36e71aa628bf8abee
- 0xaf7da8fccb32ba6a45eae0dd3295848b0b4a4af2783117211addead7030d9e7d
- 0xfc8acb838a1985ac79bc54d7b759a69f08fddb77cd213d5634d84eca66d6ed39
- 0xb46a4041de43989ea57bedcf841cedba503388616a867be21d175ffb1f31ab04
- 0xd061980053cdc14090838dc76aef89a2d35a404a8a80c9e8e2451c6a70fe983d
- 0xb77003ac715b4a3bc589bf85004b4f45dca4b25bba30589673a88974fd9e8ac0
- 0x6b3fe16d0ef17e7fec65e784ea66cb7142a8765f3978756ef310ba9d8f928afc
- 0xe387a7d610f91d4dc112f2dbdf7ae32c4555f5da4c25c1a9a1310d0b74e80bbf
- 0x60dd7fd8117cbf3b80707f722623736c8c2b5b56277e8e78c9f81ef2dab8deab
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- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af